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| [[CMake_User_Contributed_Macros|Back]]
| | {{CMake/Template/Moved}} |
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| Sometimes it's faster (and the compiler might be able to optimize better) to include all source files of a project into one source file and compile only this one file instead of all files each one by one. This can be done with the macro CREATE_FINAL_FILE().
| | This page has moved [https://gitlab.kitware.com/cmake/community/wikis/contrib/macros/CreateFinalFile here]. |
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| Usage is like this:
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| -----
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| <pre>
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| SET(app_SRCS main.cpp app.cpp bar.c foo.c)
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| OPTION(ENABLE_FINAL "Enable final all-in-one compilation.")
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| IF(ENABLE_FINAL)
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| CREATE_FINAL_FILE(_final.cpp ${_app_SRCS} )
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| ADD_EXECUTABLE(foo _final.cpp)
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| ELSE(ENABLE_FINAL)
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| ADD_EXECUTABLE(foo ${app_SRCS} )
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| ENDIF(ENABLE_FINAL)
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| </pre>
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| -----
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| This example creates an executable named "foo" from the sources main.cpp, app.cpp, bar.c and foo.c. If the option "ENABLE_FINAL" is enabled, these for files will be included in the file "_final.cpp" and only this will be compiled. Otherwise the four source files are compiled one by one as you know it.
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| And here comes the macro:
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| -----
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| <pre>
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| MACRO(CREATE_FINAL_FILE _filename)
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| FILE(WRITE ${_filename} "//autogenerated file\n")
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| FOREACH (_current_FILE ${ARGN})
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| FILE(APPEND ${_filename} "#include \"${_current_FILE}\"\n")
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| ENDFOREACH (_current_FILE)
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| ENDMACRO(CREATE_FINAL_FILE _filename)
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| </pre>
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| -----
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| [[CMake_User_Contributed_Macros|Back]]
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| {{CMake/Template/Footer}}
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| [[Category:CMakeMacro]]
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Latest revision as of 15:41, 30 April 2018
